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Device for the transmission of motion to an oscillating arm of an irrigation device

  • US 5,735,462 A
  • Filed: 12/28/1995
  • Issued: 04/07/1998
  • Est. Priority Date: 01/03/1995
  • Status: Expired due to Term
First Claim
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1. A device for the transmission of motion to an oscillating arm of an irrigation device, said arm being rotatably fastened at its ends to a pair of side elements of the irrigation device, from one of which there extends a driving shaft, comprising a cam substantially in the shape of a heart secured to said shaft, a connecting rod coupled to said cam by a pair of shoes that engage the perimeter of said cam in substantially diametrically opposite positions, the connecting rod being provided with a slot wherein a guide for the connecting rod is secured to said cam, and a crank secured to said arm, characterized in that said connecting rod can be hinged to said crank in a plurality of positions substantially aligned along a radial direction lying in a plane orthogonal to the axis of rotation of the arm and placed at different distances from said axis of rotation.

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